Change client dockerfile

client/Dockerfile

@@ -1,23 +1,63 @@
-# Use the official Node.js image with Alpine Linux
-FROM node:20-alpine
+# 1. Base Image
+FROM node:20-alpine AS base
 
-# Set the working directory in the container
+# Install dependencies like libc6-compat if required
+RUN apk add --no-cache libc6-compat
+
+# Set the working directory
 WORKDIR /app
 
-# Copy package.json and yarn.lock to the working directory
+# Enable Corepack and configure Yarn version
+RUN corepack enable
+RUN yarn set version 4.1.0
+
+# 2. Dependencies Layer
+FROM base AS deps
+
+# Copy dependency management files
 COPY package.json yarn.lock ./
 
-# Install dependencies using Yarn
-RUN yarn install --frozen-lockfile
+# Install dependencies
+RUN \
+  if [ -f yarn.lock ]; then yarn install --frozen-lockfile; \
+  elif [ -f package-lock.json ]; then npm ci; \
+  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm i; \
+  else echo "Lockfile not found." && exit 1; \
+  fi
 
-# Copy the rest of the application code
+# 3. Build Layer
+FROM base AS builder
+
+# Copy app source and installed dependencies
+COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 
-# Build the application for production
+# Set the environment to production
+ENV NODE_ENV=production
+
+# Build the app
 RUN yarn build
 
-# Expose the port the app runs on (optional)
+# 4. Runner (Production Image)
+FROM base AS runner
+
+# Set environment variables
+ENV NODE_ENV=production
+ENV PORT=3000
+
+# Add a non-root user for better security
+RUN addgroup -g 1001 -S nodejs
+RUN adduser -S appuser -u 1001
+USER appuser
+
+# Copy built files and dependencies
+COPY --from=builder /app/build ./build
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./package.json
+COPY --from=builder /app/public ./public
+
+# Expose the port the app will run on
 EXPOSE 3000
 
-# Define the command to run the app
-CMD ["yarn", "start"]
+# Command to run the app
+CMD ["node", "build/server.js"]